Thanks to everyone who has submitted ideas for solutions over the past two years! Next summer we are going to test some of these ideas in our experimental garden. Madame T writes: "I am in the Montreal area and I had very positive results with coffee grounds. I put about 1 cup directly on top of each new lily as it poked it's head out. There are about 30 lilies in this central bed (called 'The Museum' )and I did not see 1 beetle or any damage at all." Coffee grounds seems to be the front-runner in terms of popularity, so we will make sure to include that treatment in our experimental design.